1222310233 has 4 divisors (see below), whose sum is σ = 1222386340. Its totient is φ = 1222234128.

The previous prime is 1222310231. The next prime is 1222310237. The reversal of 1222310233 is 3320132221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 511981129 + 710329104 = 22627^2 + 26652^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222310233 - 2¹ = 1222310231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222310233.

It is not an unprimeable number, because it can be changed into a prime (1222310231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3510 + ... + 49567.

It is an arithmetic number, because the mean of its divisors is an integer number (305596585).

Almost surely, 2^1222310233 is an apocalyptic number.

It is an amenable number.

1222310233 is a deficient number, since it is larger than the sum of its proper divisors (76107).

1222310233 is an equidigital number, since it uses as much as digits as its factorization.

1222310233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76106.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1222310233 is about 34961.5536411070. The cubic root of 1222310233 is about 1069.2037728000.

Adding to 1222310233 its reverse (3320132221), we get a palindrome (4542442454).

The spelling of 1222310233 in words is "one billion, two hundred twenty-two million, three hundred ten thousand, two hundred thirty-three".